Autocoder: Difference between revisions

Revision as of 23:41, 23 March 2020

Revision as of 14:51, 5 April 2020

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The Pennsylvania State University developed a "Dual Autocoder Fortran Translator" (DAFT) compiler for the IBM 7074 in the 1960s which made it extremely easy to write (within a single program) lines of autocoder instructions freely interspersed with lines of Fortran code. This allowed symbolic machine instruction level coding within a higher level Fortran program, which was especially useful for optimizing the speed of inner loops, or for making use of the IBM 7074's unusual decimal word architecture.{{cn|date=August 2019}}

[[Bell Laboratories]] developed a program called ''PEST'', "Peripheral Equipment Symbolic Translator" (PEST), which was a 1401 cross-assembler that ran on the [[IBM 709|709]]/[[IBM 700/7000 series#Later scientific architecture (704/709/7090/7094)|709x]] and accepted a subset of 1401 Autocoder.<ref name=THVV /><ref>{{cite book |last1=IBM Corporation |title=Catalog of Programs for IBM Data Processing Systems KWIC Index |date=1962 |page=248 |url=http://bitsavers.org/pdf/ibm/pgmCatalog/C20-8090_Catalog_of_Programs_for_IBM_Data_Processing_Systems_KWIC_Index_Apr62.pdf |accessdate=Mar 5, 2020}}</ref>

A copy of the source programs for SPS-1, SPS-2 and Autocoder was donated to the [[Charles Babbage Institute]], [[University of Minnesota]] in 1985, by [[Gary Mokotoff]], author of SPS and coauthor of Autocoder.<ref>{{Citation|title=Gary Mokotoff Collection of IBM 1401 Program Listings, 1959-1961|url=https://archives.lib.umn.edu/repositories/3/resources/2313}}</ref>